More from Chalkdust
What’s hot and what’s not, Issue 21
Fashion is fleeting, Chalkdust regulars are not.
Chalkdust Book of the Year 2023
We announce the shortlist of our favourite maths-themed books of last year
Issue 08
Swing on a magnetic pendulum into our autumn 2018 issue. Topological tic-tac-toe, maths, cake, categories, plus all your favourite regulars.
Binary magic card trick
Behind today's door... A binary magic card trick!
Advent puzzles II
Behind today's door... a puzzle!
Puzzles on square grids
How to make Sudoku more interesting